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Finding the Fourth Proportional to 54,162.53, 81,213.78 and 22,164.08

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Solution

The fourth proportional to 54,162.53, 81,213.78 and 22,164.08 is: 33,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.53 : 81,213.78 = 22,164.08 : x
  2. Step 2: Convert to fraction form
    54,162.53/81,213.78 = 22,164.08/x
  3. Step 3: Cross multiply
    54,162.53x = 81,213.78 × 22,164.08
  4. Step 4: Simplify right side
    54,162.53x = 1,800,028,717.02
  5. Step 5: Solve for x
    x = 1,800,028,717.02/54,162.53
  6. Step 6: Final answer
    x = 33,233.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.